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Sakai city


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Demography

Estimated population (as of October 1, 2012)

No. of households Population Population density (people/km2) Area (km2)
Total Male Female
348,345 842,426 404,374 438,052 5,617 149.99

Changes in population

Year Increase Natural changes Social changes
Natural
increase
(a-b)
Births
(a)
Deaths
(b)
Social increase
(c-d)
Inflow(c) Outflow(d)
From outside Sakai From the city´s other ward Out of city To the city´s other ward
2001 1,474 2,548 8,000 5,452 (1,074) 34,286 15,491 35,360 15,491
2002 (471) 2,288 7,788 5,500 (2,759) 32,254 15,297 35,013 15,297
2003 24 1,962 7,700 5,738 (1,938) 44,833 15,155 46,771 15,155
2004 1,123 1,778 7,634 5,846 (665) 31,369 14,379 32,034 14,379
2005 1,078 1,075 7,586 6,511 (3) 31,341 14,377 31,338 14,377
2006 1,478 1,383 7,899 6,516 95 30,243 14,096 30,155 14,089
2007 2,508 1,357 7,859 6,502 1,151 30,190 13,157 29,039 13,157
2008 1,248 892 7,884 6,992 356 29,237 12,793 28,881 12,793
2009 1,874 741 7,587 6,846 1,133 29,298 12,608 28,165 12,608
2010 301 221 7,622 7,401 80 27,434 12,762 27,354 12,762
2011 906 (22) 7,476 7,498 928 27,498 11,806 26,570 11,806

Population trends (based on population census results)

Year No. of households Population
1920 18,325 84,999
1925 23,145 105,009
1930 26,318 120,348
1935 29,516 141,286
1940 39,455 182,147
1945 40,971 168,348
1950 47,709 213,688
1955 55,237 251,793
1960 77,583 339,863
1965 117,293 466,412
1970 163,468 594,367
1975 221,454 750,688
1980 251,954 810,106
1985 258,768 818,271
1990 267,972 807,765
1995 283,762 802,993
2000 297,532 792,018
2005 322,936 830,966
2010 344,465 841,966

Population breakdown (based on population census results)

Population by age group (Total: 841,966) (as of 2010)
Age group Population Percentage of total (%)
Sakai City Osaka Prefecture Japan
Youth (0 to 14) 117,750 14.0 13.3 13.2
Productive age (15 to 64) 531,324 63.1 64.4 63.8
Old age (65 and over) 189,318 22.5 22.4 23.0

*Total figures include individuals of unknown age.

Working population (Total: 362,048) (as of 2010)
Type of industry Population Percentage of total (%)
Sakai City Osaka Prefecture Japan
Primary 1,728 0.5 0.5 4.0
Secondary 81,757 22.6 22.7 23.7
Tertiary 247,212 68.3 68.7 66.5

*Total figures include industries of unclear classification.

Daytime population (as of 2010)
Permanent population Daytime population Outgoing population Daytime population percentage
838,392 790,933 47,459 94.3
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